What is GraphQL? GraphQL is an open‑source query language for APIs and a server‑side runtime. It provides a strongly‑typed schema to define relationships between data, making …

GraphQL is a query language for your API, and a server-side runtime for executing queries using a type system you define for your data. The GraphQL specification was open-sourced in 2015 …

GraphQL supports three main operation types—queries, mutations, and subscriptions. We have already seen several examples of basic queries in this guide, and on this page, you’ll learn in …

Meta (formerly Facebook), where GraphQL was created, has continued to use a monolithic GraphQL API since 2012. However, companies like Netflix, Expedia Group, Volvo, and …

Though not yet finalized, this draft specification acts as a single source of truth for GraphQL client and library maintainers, detailing how to expose and consume a GraphQL API using an HTTP …

GraphQL is a specification typically used for remote client-server communications. Unlike SQL, GraphQL is agnostic to the data source (s) used to retrieve data and persist changes.

The GraphQL type system describes what data can be queried from the API. The collection of those capabilities is referred to as the service’s schema and clients can use that schema to …

Create a serverless GraphQL API based on your data sources (REST & Databases), Third-Party APIs, or any combination. Instead of writing a GraphQL server yourself, you can define …

As a general rule, a GraphQL API should be designed to help clients get and modify data in a way that makes sense for them, so the fields defined in a schema should be informed by those use …

This is exactly how GraphQL works—each field on each type is backed by a resolver function that is written by the GraphQL server developer. When a field is executed, the corresponding …